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authorDivy Le Ray <divy@chelsio.com>2007-08-21 20:49:21 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:50:49 -0700
commite22bb45d772b5e5c850a6223c2a3245f520de641 (patch)
treeb386f5e9d7e3ee953ecfdc6997a9cfdfe33e2312 /drivers/net/cxgb3/cxgb3_ctl_defs.h
parent27186dc325c3bbb937a27a2467cefd64e2505158 (diff)
cxgb3 - Expose HW memory page info
A HW issue requires limiting the receive window size to 23 pages of internal memory. These pages can be configured to different sizes, thus the RDMA driver needs to know the page size to enforce the upper limit. Also assign explicit enum values. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/cxgb3/cxgb3_ctl_defs.h')
-rw-r--r--drivers/net/cxgb3/cxgb3_ctl_defs.h52
1 files changed, 31 insertions, 21 deletions
diff --git a/drivers/net/cxgb3/cxgb3_ctl_defs.h b/drivers/net/cxgb3/cxgb3_ctl_defs.h
index 2095ddacff7..6c4f3206691 100644
--- a/drivers/net/cxgb3/cxgb3_ctl_defs.h
+++ b/drivers/net/cxgb3/cxgb3_ctl_defs.h
@@ -33,27 +33,29 @@
#define _CXGB3_OFFLOAD_CTL_DEFS_H
enum {
- GET_MAX_OUTSTANDING_WR,
- GET_TX_MAX_CHUNK,
- GET_TID_RANGE,
- GET_STID_RANGE,
- GET_RTBL_RANGE,
- GET_L2T_CAPACITY,
- GET_MTUS,
- GET_WR_LEN,
- GET_IFF_FROM_MAC,
- GET_DDP_PARAMS,
- GET_PORTS,
-
- ULP_ISCSI_GET_PARAMS,
- ULP_ISCSI_SET_PARAMS,
-
- RDMA_GET_PARAMS,
- RDMA_CQ_OP,
- RDMA_CQ_SETUP,
- RDMA_CQ_DISABLE,
- RDMA_CTRL_QP_SETUP,
- RDMA_GET_MEM,
+ GET_MAX_OUTSTANDING_WR = 0,
+ GET_TX_MAX_CHUNK = 1,
+ GET_TID_RANGE = 2,
+ GET_STID_RANGE = 3,
+ GET_RTBL_RANGE = 4,
+ GET_L2T_CAPACITY = 5,
+ GET_MTUS = 6,
+ GET_WR_LEN = 7,
+ GET_IFF_FROM_MAC = 8,
+ GET_DDP_PARAMS = 9,
+ GET_PORTS = 10,
+
+ ULP_ISCSI_GET_PARAMS = 11,
+ ULP_ISCSI_SET_PARAMS = 12,
+
+ RDMA_GET_PARAMS = 13,
+ RDMA_CQ_OP = 14,
+ RDMA_CQ_SETUP = 15,
+ RDMA_CQ_DISABLE = 16,
+ RDMA_CTRL_QP_SETUP = 17,
+ RDMA_GET_MEM = 18,
+
+ GET_RX_PAGE_INFO = 50,
};
/*
@@ -161,4 +163,12 @@ struct rdma_ctrlqp_setup {
unsigned long long base_addr;
unsigned int size;
};
+
+/*
+ * Offload TX/RX page information.
+ */
+struct ofld_page_info {
+ unsigned int page_size; /* Page size, should be a power of 2 */
+ unsigned int num; /* Number of pages */
+};
#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */